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From:   Christoph Hellwig <hch@lst.de>
To:     axboe@kernel.dk
Cc:     linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] raw: deprecate the raw driver
Date:   Wed, 19 Aug 2020 09:35:33 +0200
Message-Id: <20200819073533.1808361-1-hch@lst.de>
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Sender: linux-kernel-owner@vger.kernel.org
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The raw driver has been replaced by O_DIRECT support on the block device
in 2002.  Deprecate it to prepare for removal in a few kernel releases.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---

Jens, I wonder if we can sneak this into 5.9 to have a longer deprecation
period?

 drivers/char/raw.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 380bf518338ef7..ccf5bd528642da 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -63,6 +63,11 @@ static int raw_open(struct inode *inode, struct file *filp)
 		return 0;
 	}
 
+	pr_warn_ratelimited(
+		"process %s (pid %d) is using the deprecated raw device\n"
+		"support will be removed in Linux 5.14.\n",
+		current->comm, current->pid);
+
 	mutex_lock(&raw_mutex);
 
 	/*
-- 
2.28.0